Improved sash-fastener



waited grieten @tutti @Win12,

Letters Paten-t No. 101,486, dated Apr-il 5, 1870.

IMPROVED SASH-IASTENER.

The Schedule ref erred to in these Letters Patent and making part of thesani@ `may be distinguished from others of a similar class,

together with such parts as I claim and desire to secure by LettersPatent.

My invention relates tothe sashes and frames of windows, and consists incertain modications in the details of the same, whereby the sashes maybe securely locked when closed, in such a manner as to resist extraneouspressure,4 or hold in position when raised, lowered, or occupying anyintermediate situation, 'by means of springs attached to the same, andso arranged that the said sashes'may be removed from the window or framewit-l1 facility. Y

In the accompanying plate of drawings, which illustrates my inventionand forms a part of the specification thereof-V Figure l is a frontelevation of the window-sash and frame.

Figure 2 is a side elevation of the frame, showing the guides upon whichthe sashes run;

Figure 3 is a view of the lower sash; and

Figure 4 is a view of the upper sash and the springs attached thereto.

Upon the sides A of the frame are secured the guides B, consisting ofwooden strips screwed or bolted to the said sides.

The said guides are of such a size as to t the grooves D of the sashesE, and of a length a little less than that of the groove D, in order toallow the said sashes to be removed with facility.

XVithin the groove D of upper sash E is secured the spring F.

A similar spring, l", is also attached to the side G ofthesaid uppersash, slots being cut in the said sash of a suitable sizc for thereception of the said springs.

'lhe operation of my invention is as follows:

Ihc grooves D of the sashcs having been fitted over the guides B, theupper sash is raised and the lower sash caused to descend until thewindow is closed, and the sashcs firmly locked in position hy the springF', which catches over the top of the lo'wcr sash.

lhe upper sash is held in any intermediate position bythe elasticpressure of the springs I" and F', and the sashes are respectively orconjoint-ly held in any position by means of the pressure and theleverage `thereby caused. v

IVlien it is desirable to remove the upper sash from the frame, the samemay be displaced with the great- 'est acility, by lowering it'until thegrooves D are clear of the guides B.

'lhe lower sash may be removed in a manner analogons.

Thus, by the construction and arrangement of the partsherein described,the sashes are `not only heldin position without the use of any one ofthe many appliances which have hitherto been used for that purpose, butthey may be removed with the greatest ease from the frame, by merelyraising 0r lowering the sash.

Having thus described my invention, I will indicate what I claim anddesire to secure by Letters Patentin the followingclause, to wit:

The spring F', so arranged on the face of the sash as to act as afriction-support when the sashes are partially raised or lowered, andabsolute fastening for both sashes when closed.

JOHN S. MCGLUMPHY.

Witnesses:

J. HARVEY DUnnIN,

A. V. Dumm.

